How to use array udiff assoc in PHP
In this article, I will explain how the array_udiff_assoc() function can be used in PHP.
array_udiff_assoc() function in PHP
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The array_udiff_assoc() function is used to compares two or more arrays, both in a built in function and in a user-made function.
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The array_udiff_assoc() function returns an array containing the elements from the first array.
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In array_udiff_assoc() function, the key is used for comparison in the built-in function.
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In array_udiff_assoc() function, the value is used for comparison in the user-made function.
Syntax
array_udiff_assoc(array1,array2,array3....,function) |
Parameter
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array1 array1 is required parameter. The first array is the array which will be compared with other arrays.
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array2 array2 is required parameter. An array to be compared with the first array.
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array3 array3 is optional parameter. An array to be compared with the first array.
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function function is required parameter. The function made by user.
Example
The following example show to how the array_udiff_assoc() function can be used in PHP.
<html>
<body>
<h3 style="color: green;">array_udiff_assoc() function example in PHP</h3>
<?php
function mydemo($s1,$s2)
{
if ($s1===$s2)
{
return 0;
}
return 1;
}
$a1=array("a"=>"Student","b"=>"Teacher","c"=>"Engg.");
$a2=array("a"=>"Doctor","b"=>"Teacher","c"=>"Advocate");
echo("After array_udiff_assoc function value is <br/>");
print_r(array_udiff_assoc($a1,$a2,"mydemo"));
?>
</body>
</html>
|
Output
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